Table 5.
Performance of selected classification systems
| Derived cohort | Validation cohort | |||
|---|---|---|---|---|
| Total scores for each scoring system |
Proportion failed closures |
AUC (95%CI) | Proportion failed closures |
AUC (95%CI) |
| Waaldijk | 0.53 (0.51- 0.56) | 0.51 (0.49-0.53) | ||
| 0 | 108/616 (17.53%) | 110/616 (17.83%) | ||
| 3 | 8/17 (47.06%) | 3/12 (25.00%) | ||
| 4 | 2/3 (66.67%) | 2/5 (40.00%) | ||
| Tafesse | 0.66 (0.61- 0.71) | 0.60 (0.55-0.65) | ||
| 0 | 16/184 (8.70%) | 16/188 (8.51%) | ||
| 2 | 38/253 (15.02%) | 47/224 (20.98%) | ||
| 3 | 64/200 (32.00%) | 52/225 (23.11%) | ||
| Goh | 0.62 (0.57-0.67) | 0.62 (0.57- 0.68) | ||
| 0 | 14/141 (9.93%) | 18/141 (12.77%) | ||
| 2 | 44/275 (16.00%) | 33/274 (12.04%) | ||
| 4 | 60/221 (27.15%) | 64/222 (28.83%) | ||
| WHO | 0.69 (0.64-0.74) | 0.63 (0.57-0.68) | ||
| 0 | 32/337 (9.5%) | 44/351 (12.54%) | ||
| 2 | 54/233 (23.18%) | 44/215 (20.47%) | ||
| 4 | 32/67 (47.76%) | 27/71 (38.03%) | ||
| Empirically -derived |
0.70 (0.65-0.75) | 0.62 (0.56-0.67) | ||
| 0 | 23/277 (8. 30%) | 32/271 (11.81%) | ||
| 1 | 10/78 (12. 82%) | 16177 (20.78%) | ||
| 2 | 29/121 (23.97%) | 24/147 (16. 33%) | ||
| 3 | 56/161 (34.78%) | 43/142 (30.28%) | ||